Thick ice that used to last through multiple summers has been in steep decline for three decades.
Published Mar 1, 2012
In 1984, there were 1.86 million square kilometers of old ice spread across the Arctic at its yearly minimum extent. In September 2016, there were only 110,000 square kilometers of old ice left.
Published Nov 4, 2016
Acquired October 7, 2011, this natural-color image shows an ice menagerie off the coast of East Antarctica.
Published Oct 23, 2011
This pair of maps shows how the sea ice covering the Arctic at winter maximum in 2009 is younger than it was in the past.
Published Apr 10, 2009
Taken from a low-flying airplane on March 26, 2011, these detailed photos of Arctic sea ice show the richly varied texture in the ice floe.
Published Apr 1, 2011
A diamond-shaped piece of ice is a stranger amid thin ice.
Published Mar 1, 2017
Filaments of sea ice stretch across the waters off southern Greenland, an area that is typically ice-free.
Published May 18, 2019
This approximately true-color image shows ice fragments left over from previous breakups of the Wilkins Ice Shelf.
Published Apr 19, 2009
In September 2011, the extent of sea ice covering the Arctic Ocean declined to the second-lowest extent on record.
Published Oct 5, 2011
Throughout Antarctica, broad ribbons of ice known as ice streams shed large quantities of ice into the ocean.
Published Apr 24, 2007
This natural gatekeeper, which prevents sea ice from exiting the Arctic Ocean and drifting southward into Baffin Bay, was still intact in late May 2020.
Published Jun 3, 2020
NASA aircraft return to the Arctic to assess the health of the region’s ice.
Published May 3, 2012
To the untrained eye, Antarctica may look like a giant piece of solid ice that rarely changes, but scientists studying the continent have long known better. The icy surface is dynamic, with glaciers and "streams" of ice flowing toward the ocean.
Published Apr 27, 2007
An area of sea ice larger than the state of Rhode Island can be seen breaking from the Ronne-Filchner Ice Shelf in this series of photo-like images.
Published Jan 15, 2010
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